Ancestors of Devon Rex Tyson

                     /--Elmer D. Tyson  b. 11 FEB 1897 at 
             /--Harold Devon Tyson  b. 30 MAR 1925 at 
             |       |       /--John Mumaw  b. 31 JAN 1862 at Holmes Co., OH  d. 8 SEP 1940
             |       \--Cora Mumaw  b. 16 DEC 1899 at OH
             |               \--Lydia A. Good  b. 28 FEB 1866 at   d. 9 FEB 1963
Devon Rex Tyson
             \--Esther Virginia Grabill